Home / 3,394.38-5,085.63-2,415.36

Finding the Fourth Proportional to 3,394.38, 5,085.63 and 2,415.36

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Solution

The fourth proportional to 3,394.38, 5,085.63 and 2,415.36 is: 3,618.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.38 : 5,085.63 = 2,415.36 : x
  2. Step 2: Convert to fraction form
    3,394.38/5,085.63 = 2,415.36/x
  3. Step 3: Cross multiply
    3,394.38x = 5,085.63 × 2,415.36
  4. Step 4: Simplify right side
    3,394.38x = 12,283,627.28
  5. Step 5: Solve for x
    x = 12,283,627.28/3,394.38
  6. Step 6: Final answer
    x = 3,618.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.